130234009 has 2 divisors, whose sum is σ = 130234010. Its totient is φ = 130234008.

The previous prime is 130234001. The next prime is 130234031. The reversal of 130234009 is 900432031.

It is an a-pointer prime, because the next prime (130234031) can be obtained adding 130234009 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77352025 + 52881984 = 8795^2 + 7272^2 .

It is a cyclic number.

It is not a de Polignac number, because 130234009 - 2³ = 130234001 is a prime.

It is not a weakly prime, because it can be changed into another prime (130234001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65117004 + 65117005.

It is an arithmetic number, because the mean of its divisors is an integer number (65117005).

Almost surely, 2^130234009 is an apocalyptic number.

It is an amenable number.

130234009 is a deficient number, since it is larger than the sum of its proper divisors (1).

130234009 is an equidigital number, since it uses as much as digits as its factorization.

130234009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 130234009 is about 11412.0116105794. The cubic root of 130234009 is about 506.8834792210.

The spelling of 130234009 in words is "one hundred thirty million, two hundred thirty-four thousand, nine".